About delete

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1

Performance tuning, best practices

="/" permissions="access,modify,create,delete" />           
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Problem with distinct select, order by and equivalent alias/attribute path

);         em.getMetamodel().entity(Location.class);         //clean up...         em.createQuery("delete from Street s").executeUpdate();         em.createQuery("delete from Location l").executeUpdate
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1

Recovery file does not match db file

version 2.4.0. Please check if the recovery file (odb$) is empty, and if it is - just delete ... is resolved when the recovery files are deleted, does'nt seem to be any data loss. not currently able
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1

Referential Integrity

Currently ObjectDB doesn't prevent deletion of entity objects that are in use and referenced by other entity objects, and it is the application responsibility to avoid such deletion. During development and testing it is recommended to use the ObjectDB Doctor to verify that reference integrity
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1

Replication Issue

path="/" permissions="access,modify,create,delete" />                                                
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Replication issue, Replayer failing due to NullPointerException.

deleting all the DB files on both sides, starting a clean master and verifying it works as expected ... ,delete" />
Issue
1

Schema-Update: Deactivation of automatic entity class removing and introduction of a new class remove in the schema config

to explicitly define the classes, in the schema config (objectdb.config), that should be deleted.   In ... different....   We think it's best to explain how the database behaves. 1) How can we delete
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Shrinking Database Files

never shrinks when large number of objects are deleted and the only way to reclaim that space ... context to propose an answer.) ObjectDB reuses space of deleted objects but the database
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significant performance decrease

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Time Sequence Object Command DB

) are create object, change object (fields), delete object, and object-method execution commands.   Method ... and transactions you can also cache the last state in the database. On restore - this cache will be deleted